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I have installed PowerDNS on 2 VPS servers:

ns1 - 10.0.0.1

ns2 - 10.0.0.2

The Problem is the records/zones are not getting synced from Master to Slave. Here are the configurations:

Master Server:

allow-axfr-ips=10.0.0.2/32
daemon=yes
disable-axfr=no
include-dir=/etc/powerdns/pdns.d
master=yes
setgid=pdns
setuid=pdns

Slave Server:

daemon=yes
disable-axfr=yes
include-dir=/etc/powerdns/pdns.d
setgid=pdns
setuid=pdns
slave=yes
slave-cycle-interval=60

Database on Slave Server

MariaDB [powerdns]> select * from supermasters;
+-------------+------------------+---------+
| ip          | nameserver       | account |
+-------------+------------------+---------+
| 10.0.0.1    | ns2.example.com  | admin   |
+-------------+------------------+---------+
1 row in set (0.000 sec)

Both servers are running on MySQL database backend. Master is serving all records as expected but Slave server is giving this:

root@vps10:~# dig example.com @localhost

; <<>> DiG 9.16.1-Ubuntu <<>> example.com @localhost
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 22750
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;example.com.              IN      A

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Feb 04 22:11:39 UTC 2022
;; MSG SIZE  rcvd: 45

I have also checked the Slave server and it does not have any zones from Master. Also tried this on the master server:

root@vps06:~# pdns_control notify example.com
Added to queue

Surfed the internet for any solutions but nothing was available. Can anyone guide me or point out what is wrong with my configuration?

Ankesh Anand
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    I've done ```superslave=on``` and after that, its working but only when we do ```pdns_control notify-host example.com IPADDR``` – Ankesh Anand Feb 06 '22 at 09:46

1 Answers1

1

You'll need to enable superslave and make sure your primary sends the correct notifications (NS records, ALSO-NOTIFY metadata (https://doc.powerdns.com/authoritative/domainmetadata.html?#also-notify) etc)

Frank Louwers
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